Matches in DBpedia 2016-04 for { ?s ?p "H1821+643 is a quasar situated within the constellation of Draco. It is situated in a massive, strong cooling flow cluster. Astronomers in 2014 identified H1821+643 as the most massive black hole with a precisely measured mass, at 30 billion solar masses. Several other black holes are possibly more massive, but they have less accurate mass estimates. The Schwarzschild diameter of this black hole is about 172 terametres (1,150 AU), 28 times the diameter of Pluto's orbit."@en }
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- H1821+643 abstract "H1821+643 is a quasar situated within the constellation of Draco. It is situated in a massive, strong cooling flow cluster. Astronomers in 2014 identified H1821+643 as the most massive black hole with a precisely measured mass, at 30 billion solar masses. Several other black holes are possibly more massive, but they have less accurate mass estimates. The Schwarzschild diameter of this black hole is about 172 terametres (1,150 AU), 28 times the diameter of Pluto's orbit.".
- Q22086878 abstract "H1821+643 is a quasar situated within the constellation of Draco. It is situated in a massive, strong cooling flow cluster. Astronomers in 2014 identified H1821+643 as the most massive black hole with a precisely measured mass, at 30 billion solar masses. Several other black holes are possibly more massive, but they have less accurate mass estimates. The Schwarzschild diameter of this black hole is about 172 terametres (1,150 AU), 28 times the diameter of Pluto's orbit.".
- H1821+643 comment "H1821+643 is a quasar situated within the constellation of Draco. It is situated in a massive, strong cooling flow cluster. Astronomers in 2014 identified H1821+643 as the most massive black hole with a precisely measured mass, at 30 billion solar masses. Several other black holes are possibly more massive, but they have less accurate mass estimates. The Schwarzschild diameter of this black hole is about 172 terametres (1,150 AU), 28 times the diameter of Pluto's orbit.".
- Q22086878 comment "H1821+643 is a quasar situated within the constellation of Draco. It is situated in a massive, strong cooling flow cluster. Astronomers in 2014 identified H1821+643 as the most massive black hole with a precisely measured mass, at 30 billion solar masses. Several other black holes are possibly more massive, but they have less accurate mass estimates. The Schwarzschild diameter of this black hole is about 172 terametres (1,150 AU), 28 times the diameter of Pluto's orbit.".